101021220212 has 12 divisors (see below), whose sum is σ = 192858693216. Its totient is φ = 45918736440.

The previous prime is 101021220199. The next prime is 101021220221. The reversal of 101021220212 is 212022120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147968368 + ... + 1147968455.

It is an arithmetic number, because the mean of its divisors is an integer number (16071557768).

Almost surely, 2^101021220212 is an apocalyptic number.

It is an amenable number.

101021220212 is a deficient number, since it is larger than the sum of its proper divisors (91837473004).

101021220212 is a wasteful number, since it uses less digits than its factorization.

101021220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295936838 (or 2295936836 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101021220212 its reverse (212022120101), we get a palindrome (313043340313).

The spelling of 101021220212 in words is "one hundred one billion, twenty-one million, two hundred twenty thousand, two hundred twelve".